This is an efficient pure Go implementation of leveled logs in the
manner of the open source C++ package.

By binding methods to booleans it is possible to use the log package
without paying the expense of evaluating the arguments to the log.
Through the -vmodule flag, the package also provides fine-grained
control over logging at the file level.

This package contains the source code needed for building packages that
reference the following Go import paths:
– github.com/golang/glog